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Finding the Fourth Proportional to 615,803,315.94, 849,801,803.49 and 333,538,734.42

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Solution

The fourth proportional to 615,803,315.94, 849,801,803.49 and 333,538,734.42 is: 460,279,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,803,315.94 : 849,801,803.49 = 333,538,734.42 : x
  2. Step 2: Convert to fraction form
    615,803,315.94/849,801,803.49 = 333,538,734.42/x
  3. Step 3: Cross multiply
    615,803,315.94x = 849,801,803.49 × 333,538,734.42
  4. Step 4: Simplify right side
    615,803,315.94x = 283,441,818,043,888,160
  5. Step 5: Solve for x
    x = 283,441,818,043,888,160/615,803,315.94
  6. Step 6: Final answer
    x = 460,279,785.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.